minor changes after code review

Author: danielinux

include/uart_flash.h

@@ -33,7 +33,9 @@
 #include <stdint.h>
 
 #ifdef UART_FLASH
-    #define UART_FLASH_BITRATE 460800
+    #ifndef UART_FLASH_BITRATE
+      #define UART_FLASH_BITRATE 460800
+    #endif
     int uart_init(uint32_t bitrate, uint8_t data, char parity, uint8_t stop);
     void uart_send_current_version(void);
 #else

lib/wolfssl

@@ -156,8 +156,8 @@ static int serial_open(const char *device, int rate)
 
 	fcntl(fd, F_SETFL, 0);
 	tcgetattr(fd, &options);
-	cfsetispeed(&options, speed ?: B38400);
-	cfsetospeed(&options, speed ?: B38400);
+	cfsetispeed(&options, speed ?: B460800);
+	cfsetospeed(&options, speed ?: B460800);
 	cfmakeraw(&options);
 	options.c_cflag |= (CLOCAL | CREAD);
 	options.c_cflag &= ~CRTSCTS;